26071487985 has 16 divisors (see below), whose sum is σ = 41719187520. Its totient is φ = 13903191360.

The previous prime is 26071487969. The next prime is 26071487987. The reversal of 26071487985 is 58978417062.

It is not a de Polignac number, because 26071487985 - 2⁴ = 26071487969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26071487987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40771 + ... + 231959.

It is an arithmetic number, because the mean of its divisors is an integer number (2607449220).

Almost surely, 2^26071487985 is an apocalyptic number.

It is an amenable number.

26071487985 is a deficient number, since it is larger than the sum of its proper divisors (15647699535).

26071487985 is a wasteful number, since it uses less digits than its factorization.

26071487985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200288.

The product of its (nonzero) digits is 6773760, while the sum is 57.

The spelling of 26071487985 in words is "twenty-six billion, seventy-one million, four hundred eighty-seven thousand, nine hundred eighty-five".